Command
Modes
• EXEC
• EXEC Privilege
Command
History
Version 8.3.16.1
Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
To isolate problems with inter-area and external routes, use this command. In
OSPF inter-area and external routes are calculated by adding LSA cost to the cost
of reaching the router. If an inter-area or external route is not of correct cost, the
display can determine if the path to the originating router is correct or not.
Example
Dell#show ip ospf 1 topology
Router ID Flags Cost Nexthop Interface Area
3.3.3.3 E/B/-/ 1 20.0.0.3 Gi 13/1 0
1.1.1.1 E/-/-/ 1 10.0.0.1 Gi 7/1 1
Dell#
summary-address
To advertise one external route, set the OSPF ASBR.
Syntax
summary-address
ip-address mask
[not-advertise] [tag
tag-value
]
To disable summary address, use the
no summary-address
ip-address mask
command.
Parameters
ip-address
Specify the IP address in dotted decimal format of the
address to summarize.
mask
Specify the mask in dotted decimal format of the address to
summarize.
not-advertise
(OPTIONAL) Enter the keywords
not-advertise
to
suppress that match the network prefix/mask pair.
tag
tag-value
(OPTIONAL) Enter the keyword
tag
then a value to match
on routes redistributed through a route map. The range is
from 0 to 4294967295.
Defaults
Not configured.
Command
Modes
ROUTER OSPF
Command
History
Version 8.3.16.1
Introduced on the MXL 10/40GbE Switch IO Module.
Usage
Information
The
area range
command summarizes routes for the different areas.
With the
not-advertise
parameter configured, you can use this command to
filter out some external routes. For example, if you want to redistribute static routes
978
Open Shortest Path First (OSPFv2 and OSPFv3)
